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Security update for python-PyJWT

Type: advisorySources: OSV

This update for python-PyJWT fixes the following issues: - CVE-2026-101917: attacker traffic can amplify outbound requests to the configured JWKS endpoint (bsc#1283060). - CVE-2026-101918: unauthenticated request can raise an exception that may produce an HTTP 500 response (bsc#1283061). - CVE-2026-102267: forwarded credentials may be disclosed or verification keys may be substituted (bsc#1283064). - CVE-2026-102268: an attacker who knows the public key can forge authenticated HMAC tokens (bsc#1283065). - CVE-2026-102269: raw-token revocation checks can fail to recognize an equivalent modified token (bsc#1283066). - CVE-2026-102270: an attacker can cause intensive CPU consumption (bsc#1283067). - CVE-2026-102271: an attacker who knows the public key can forge authenticated HMAC tokens (bsc#1283068). - CVE-2026-102274: Malformed RSA JWK aborts parsing of an entire JWK Set (bsc#1283071). - CVE-2026-102275: an attacker may use a stolen sender-constrained token without the legitimate private key (bsc#1283072).

Products
python-PyJWT
Affected versions
Not specified
Fixed versions
2.9.0-159998.1.1
CVEs
CVE-2026-101917, CVE-2026-101918, CVE-2026-102267, CVE-2026-102268, CVE-2026-102269, CVE-2026-102270, CVE-2026-102271, CVE-2026-102274, CVE-2026-102275
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 18:33 UTC · Revision 1

Source evidence

Security update for python-PyJWT

core-osv · Original source

Published 9 Oct 2026, 11:50 UTC

This update for python-PyJWT fixes the following issues: - CVE-2026-101917: attacker traffic can amplify outbound requests to the configured JWKS endpoint (bsc#1283060). - CVE-2026-101918: unauthenticated request can raise an exception that may produce an HTTP 500 response (bsc#1283061). - CVE-2026-102267: forwarded credentials may be disclosed or verification keys may be substituted (bsc#1283064). - CVE-2026-102268: an attacker who knows the public key can forge authenticated HMAC tokens (bsc#1283065). - CVE-2026-102269: raw-token revocation checks can fail to recognize an equivalent modified token (bsc#1283066). - CVE-2026-102270: an attacker can cause intensive CPU consumption (bsc#1283067). - CVE-2026-102271: an attacker who knows the public key can forge authenticated HMAC tokens (bsc#1283068). - CVE-2026-102274: Malformed RSA JWK aborts parsing of an entire JWK Set (bsc#1283071). - CVE-2026-102275: an attacker may use a stolen sender-constrained token without the legitimate private key (bsc#1283072).

osv:SUSE-SU-2026:24134-1

python-PyJWT

Fixed versions: 2.9.0-159998.1.1

Complete source record
{
  "id": "346ed85df8b95df3a2b039b8aeeaba6d4543d2dfbb464bf502e4fe75292487bd",
  "url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A24134-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Security update for python-PyJWT",
    "summary": "This update for python-PyJWT fixes the following issues: - CVE-2026-101917: attacker traffic can amplify outbound requests to the configured JWKS endpoint (bsc#1283060). - CVE-2026-101918: unauthenticated request can raise an exception that may produce an HTTP 500 response (bsc#1283061). - CVE-2026-102267: forwarded credentials may be disclosed or verification keys may be substituted (bsc#1283064). - CVE-2026-102268: an attacker who knows the public key can forge authenticated HMAC tokens (bsc#1283065). - CVE-2026-102269: raw-token revocation checks can fail to recognize an equivalent modified token (bsc#1283066). - CVE-2026-102270: an attacker can cause intensive CPU consumption (bsc#1283067). - CVE-2026-102271: an attacker who knows the public key can forge authenticated HMAC tokens (bsc#1283068). - CVE-2026-102274: Malformed RSA JWK aborts parsing of an entire JWK Set (bsc#1283071). - CVE-2026-102275: an attacker may use a stolen sender-constrained token without the legitimate private key (bsc#1283072).",
    "evidence": "osv:SUSE-SU-2026:24134-1",
    "products": [
      {
        "name": {
          "value": "python-PyJWT",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.9.0-159998.1.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "SUSE-SU-2026:24134-1",
      "aliases": [
        "SUSE-SU-2026:24134-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.9.0-159998.1.1"
                }
              ]
            }
          ],
          "package": {
            "name": "python-PyJWT",
            "purl": "pkg:rpm/suse/python-PyJWT&distro=SUSE%20Linux%20Micro%206.0",
            "ecosystem": "SUSE:Linux Micro 6.0"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24134-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "python311-PyJWT": "2.9.0-159998.1.1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-15T17:23:11.683497084Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-101917",
        "CVE-2026-101918",
        "CVE-2026-102267",
        "CVE-2026-102268",
        "CVE-2026-102269",
        "CVE-2026-102270",
        "CVE-2026-102271",
        "CVE-2026-102274",
        "CVE-2026-102275"
      ],
      "references": [
        "https://www.suse.com/support/update/announcement/2026/suse-su-202624134-1/",
        "https://bugzilla.suse.com/1283060",
        "https://bugzilla.suse.com/1283061",
        "https://bugzilla.suse.com/1283064",
        "https://bugzilla.suse.com/1283065",
        "https://bugzilla.suse.com/1283066",
        "https://bugzilla.suse.com/1283067",
        "https://bugzilla.suse.com/1283068",
        "https://bugzilla.suse.com/1283071",
        "https://bugzilla.suse.com/1283072",
        "https://www.suse.com/security/cve/CVE-2026-101917",
        "https://www.suse.com/security/cve/CVE-2026-101918",
        "https://www.suse.com/security/cve/CVE-2026-102267",
        "https://www.suse.com/security/cve/CVE-2026-102268",
        "https://www.suse.com/security/cve/CVE-2026-102269",
        "https://www.suse.com/security/cve/CVE-2026-102270",
        "https://www.suse.com/security/cve/CVE-2026-102271",
        "https://www.suse.com/security/cve/CVE-2026-102274",
        "https://www.suse.com/security/cve/CVE-2026-102275"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-101917",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-101918",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102267",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102268",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102269",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102270",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102271",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102274",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-102275",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 333667,
  "published_at": "2026-10-09T11:50:01+00:00"
}